FIELD: biochemistry. SUBSTANCE: described are new epoxy-azethidinones of general formula I: 
wherein R1 is 3-0-chlorophenyl-5-methylisoxazole- 1-yl-carbonylamino; R2 is alkylaminosulfonyl containing from 1 to 4 carbon atoms; R3 is benzyloxy; R4=R5 is hydrogen. These compounds are suitable as intermediate compounds for preparation of new potential beta-lactamase inhibitors. EFFECT: improved properties. 3 cl, 5 ex
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1993 |
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1994 |
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- Zoritsa Mandich[Yu]
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